1, cut the beef, put it in a pot with cold water, add the onion, ginger slices and cooking wine to boil, take it out and dry it for later use.

2. Pour an appropriate amount of oil into the pot, add scallion, ginger slices, star anise and fragrant leaves, stir-fry beef for a while, add 1 spoon cooking wine, 1 spoon light soy sauce, 1 spoon light soy sauce and 1 spoon oyster sauce, stir-fry and color, and then pour tomatoes to stir-fry the soup.

3. Add appropriate amount of water, boil and simmer for 40 minutes, add potatoes, onions, rock sugar and appropriate amount of salt to taste, continue to cook until the potatoes are soft and rotten, and finally sprinkle with chopped green onion.